Design Examples of Steel and Steel-Concrete Composite Bridges - Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges - page 319

z

e

5

30

5

5

27.5

z

Sole plate

60 cm

4
4

6.5
6.5

5 60 cm 5

10 20 20 10

Upper bearing plate

R = 29.3 cm

R 60 cm 5 5

5 5

2

4.5
4.5

4.5
4.5

( d +10) ( d +10)/2
a 3 = 64 cm

( d +10)/2

80 cm

Rollers

22 cm

d = 22 cm

2.5 2.5

2.5 2.5

Lower bearing plate

19 32 cm 19

80 cm

4
6

R /2 R /2

9.1 MPa

1 mm

145,600

262,080 N mm 262,080 N mm

Figure 4.90 Detailing of the twin roller fabricated steel bridge bearings.